30 Top Interview Questions and Answers (2024)

Ques 1

Explain Vue components and their advantages.

Vue components are reusable and self-contained units that encapsulate a specific piece of functionality. They promote code reusability, maintainability, and separation of concerns in a Vue application.

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Ques 2

What is Vuex, and why would you use it?

Vuex is the state management library for Vue.js applications. It helps manage the state of the application in a centralized store, making it easy to maintain and share state across components.

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Ques 3

Explain the concept of two-way data binding in Vue.js.

Two-way data binding in Vue.js allows automatic synchronization of data between the model and the view. It is achieved using the v-model directive, which binds an input element to a variable and updates both the input value and the variable when either changes.

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Ques 4

What is a computed property in Vue.js?

A computed property in Vue.js is a property whose value is derived from other reactive data. It is recalculated only when its dependencies change, providing a way to perform calculations on the fly without re-rendering unnecessarily.

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Ques 5

Explain the concept of mixins in Vue.js.

Mixins in Vue.js are a way to reuse and share logic across multiple components. They allow you to encapsulate and distribute reusable functionality by merging the properties and methods of a mixin into a component.

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Ques 6

Explain the concept of scoped slots in Vue.js.

Scoped slots in Vue.js allow a child component to communicate data to a parent component. It provides more flexibility in passing data from child to parent.

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Ques 7

What is the difference between mixins and extends in Vue.js?

Mixins allow you to reuse and share logic across multiple components, while extends in Vue.js create an extended constructor for a component, inheriting options from another component.

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Ques 8

Explain the purpose of the key attribute in Vue.js.

The key attribute in Vue.js is used to give each rendered element a unique identifier, helping Vue efficiently update the DOM by reusing existing elements instead of re-rendering.

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Ques 9

How does the v-model directive work in Vue.js?

The v-model directive in Vue.js is used for two-way data binding on form input elements. It automatically syncs the input value with a variable in the data.

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Ques 10

What is the purpose of the provide/inject feature in Vue.js?

Provide/inject in Vue.js allows a component to provide data that can be injected into its descendants. It helps in prop drilling by providing a clean way to share state without using props.

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Interview Questions and Answers

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Interview Questions and Answers

Intermediate / 1 to 5 years experienced level questions & answers

Explain Vue components and their advantages.

Simpan untuk Revisi

What is Vuex, and why would you use it?

Simpan untuk Revisi

Explain the concept of two-way data binding in Vue.js.

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What is a computed property in Vue.js?

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Explain the concept of mixins in Vue.js.

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Explain the concept of scoped slots in Vue.js.

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What is the difference between mixins and extends in Vue.js?

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Explain the purpose of the key attribute in Vue.js.

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How does the v-model directive work in Vue.js?

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What is the purpose of the provide/inject feature in Vue.js?

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